Citation and Referencing Guides

Clear, example-led guides to every major citation style. Not sure which style you need? Check your assignment brief, then use the table below.

Updated 21 October 2026 · EssayWriting.com editorial team

MLA Format Guide (9th Edition)

Paper layout, in-text citations and Works Cited entries in MLA 9.

APA Format Guide (7th Edition)

Student paper layout, author-date citations and References in APA 7.

APA vs MLA

Side-by-side differences between the two most common student styles.

IEEE Citation Format

How to cite in IEEE style: numbered in-text citations in square brackets, reference list f

ACS Citation Format

How to cite in ACS style for chemistry: the three in-text options, journal article, book a

AMA Citation Format

How to cite in AMA 11th edition: superscript numbering, journal article, book and website

Harvard Citation Format

How to use Harvard referencing: author-date in-text citations, reference list format for b

Bluebook Citation Guide

Legal citation basics: cases, statutes, articles and short forms.

Turabian Citation Guide

Notes-bibliography and author-date Turabian with examples.

Chicago Citation Format

Notes-bibliography and author-date Chicago with examples.

Et Al.: Meaning and How to Use It in Citations

Et al. means "and others" (Latin et alii). How and when to use et al. in APA 7, MLA 9, Harvard, Chicago and…

Which citation style should you use?

SubjectUsual style
Psychology, education, nursing, social sciencesAPA
English, literature, humanitiesMLA
Many UK and Australian coursesHarvard
Engineering, computer scienceIEEE
ChemistryACS
Medicine, health sciencesAMA

Your instructor's requirement always overrides the subject convention.

New to the topic? Start with our complete essay writing guide.